[CI] SnapshotShutdownIT testSnapshotShutdownProgressTracker failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #8033 / almalinux-8-aarch64_checkpart1_platform-support-arm
• elasticsearch-pull-request #69850 / part-1

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.snapshots.SnapshotShutdownIT.testSnapshotShutdownProgressTracker" -Dtests.seed=9FD834DA1359087B -Dtests.locale=xnr-IN -Dtests.timezone=Africa/Mbabane -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: expected to see SnapshotShutdownProgressTracker running number of snapshots but did not
Expected: <true>
     but: was <false>

Issue Reasons:

• [main] 2 failures in test testSnapshotShutdownProgressTracker (0.3% fail rate in 640 executions)

Note:
This issue was created using new test triage automation. Please report issues or feedback to es-delivery.

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 2 failures in test testSnapshotShutdownProgressTracker (0.3% fail rate in 640 executions)

Build Scans:

• elasticsearch-periodic-platform-support #8033 / almalinux-8-aarch64_checkpart1_platform-support-arm
• elasticsearch-pull-request #69850 / part-1

[elasticsearchmachine]

Pinging @elastic/es-distributed-coordination (Team:Distributed Coordination)

[nicktindall]

The log message doesn't match because numShards is not what is expected. It's not immediately obvious why. This looks like a test for some logging though, so I suspect it's not an indication that snapshots might be broken.